Making the Easy Cheesy Vegetable Casserole with Rice is a breeze if you follow these steps:

1. Preheat the Oven: Preheat your oven to 350°F (175°C) to prepare for baking.
2. Cook the Rice: If you haven’t done so, cook the rice according to package instructions and set it aside.
3. Sauté the Vegetables (Optional): In a skillet, heat olive oil over medium heat. Add broccoli, carrots, and bell peppers. Sauté for about 5-7 minutes until slightly tender.
4. Mix Ingredients: In a large bowl, combine the cooked rice, sautéed vegetables (if using), corn, cream of mushroom soup, milk, garlic powder, onion powder, salt, black pepper, and paprika. Mix well until everything is evenly coated.
5. Add Cheese: Fold in half of the shredded cheddar cheese, reserving the other half for topping.
6. Transfer to Casserole Dish: Pour the mixture into a greased 9×13-inch casserole dish, spreading it evenly.
7. Top with Cheese: Sprinkle the remaining cheddar cheese on top of the casserole.
8. Bake: Place the casserole in the preheated oven and bake for 30-35 minutes, or until the cheese is bubbly and golden brown.
9. Cool Slightly: Once done, remove from the oven and let it cool for a few minutes before serving.

These straightforward steps will guide you through creating this delicious and comforting casserole with ease.